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Merging polymers of intrinsic microporosity and porous carbon-based zinc oxide composites in novel mixed matrix membranes for efficient gas separation

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Green Energy & Environment 2025年第1期10卷 203-213页

作者： Muning Chen Jiemei Zhou Jing Ma Weigang Zheng Guanying Dong Xin Li Zhihong Tian Yatao Zhang Jing Wang Yong Wang School of Chemical Engineering Zhengzhou UniversityZhengzhou450001HenanChina State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemical Engineering Nanjing Tech UniversityNanjing211816JiangsuChina Singapore Membrane technology Centre Nanyang Environment and Water Research InstituteNanyang Technological UniversitySingapore637141Singapore Engineering Research Center for Nanomaterials Henan UniversityKaifeng475004HenanChina State Key Laboratory of Coking Coal Resources Green Exploitation Zhengzhou UniversityZhengzhou 450001China School of Energy and Environment Southeast UniversityNanjing210096JiangsuChina

Mixed matrix membranes(MMMs)have demonstrated significant promise in energy-intensive gas separations by amalgamating the unique properties of fillers with the facile processability of ***,achieving a simultaneous enhancement of permeability and selectivity remains a formidable challenge,due to the difficulty of achieving an optimal match between polymers and *** this study,we incorporate a porous carbon-based zinc oxide composite(C@ZnO)into high-permeability polymers of intrinsic microporosity(PIMs)to fabricate *** dipole–dipole interaction between C@ZnO and PIMs ensures their exceptional compatibility,mitigating the formation of non-selective voids in the resulting ***,C@ZnO with abundant interconnected pores can provide additional low-resistance pathways for gas transport in *** a result,the CO_(2) permeability of the optimized C@ZnO/PIM-1 MMMs is elevated to 13,215 barrer,while the CO_(2)/N_(2) and CO_(2)/CH_(4) selectivity reached 21.5 and 14.4,respectively,substantially surpassing the 2008 Robeson upper ***,molecular simulation results further corroborate that the augmented membrane gas selectivity is attributed to the superior CO_(2) affinity of C@*** summary,we believe that this work not only expands the application of MMMs for gas separation but also heralds a paradigm shift in the application of porous carbon materials.

关键词： Mixed matrix membranes Polymers of intrinsic microporosity CO_(2)separation Porous carbon materials

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Valence electron matching law for MXene-based single-atom catalysts

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Journal of Energy Chemistry 2025年第2期101卷 641-650页

作者： Pei Song Yuhang Zhou Zishan Luo Hang Zhang Xi Sun Sen Lu Zepeng Jia Hong Cui Weizhi Tian Rong Feng Lingxia Jin Hongkuan Yuan School of Mechanical Engineering Shaanxi University of Technology shaanxi Key Laboratory of Industrial Automation Shaanxi University of Technology shaanxi Key Laboratory of Catalysis College of Chemical & Environment Science Shaanxi University of Technology School of Physical science and technology Southwest University

Single-atom catalysts（SACs） have attracted considerable interest in the fields of energy and environmental science due to their adjustable catalytic *** this study,we investigated the matching of valence electron numbers between single atoms and adsorbed intermediates（O,N,C,and H） in MXene-anchored SACs（M-Ti2C/M-Ti2CO2）.The density functional theory results demonstrated that the sum of the valence electron number（VM） of the interface-doped metal and the valence electron number（VA） of the adsorbed intermediates in M-Ti2C followed the 10-valence electron matching ***,based on the 10-valence electron matching law,we deduced that the sum of the valence electron number（k） and VMfor the molecular adsorption intermediate interactions in M-Ti2CO2adhered to the 11-valence electron matching *** repulsion between the interface electrons in M-Ti2CO2and H2O weakened the adsorption of intermediates,Furthermore,we applied the 11-valence electron matching law to guide the design of catalysts for nitrogen reduction reaction,specifically for N2→ NNH conversion,in the *** sure independence screening and sparsifying operator algorithm was used to fit a simple three-dimensional descriptor of the adsorbate（R2up to 0.970） for catalyst *** study introduced a valence electron matching principle between doped metals（single atoms） and adsorbed intermediates（atomic and molecular） for MXene-based catalysts,providing new insights into the design of high-performance SACs.

关键词： Density functional theory Nitrogen reduction reaction Sure independence screening and sparsifying operator Valence electron matching law

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Quantum purification for coherent states and its application

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science China(Physics,Mechanics & Astronomy) 2025年第2期68卷 37-50页

作者： Lei Wang Geng Chai Zhengwen Cao Xinlei Chen Kexin Liang Jinye Peng Laboratory of Quantum Information and technology School of Information Science and TechnologyNorthwest UniversityXi'an 710127China

The inevitable decoherence of quantum states leaks information to the environments and reduces the practical performance of quantum-information *** purification of coherent states provides an easy-to-implement approach to decouple from the environments utilizing the correlation of several ***,repeated transmission of quantum states reduces the randomness of the collectivity and generates security *** this paper,we propose a modified purification scheme and apply it to the continuous-variable quantum secure direct communication(CV-QSDC)protocol based on coherent *** designed purification scheme improves the security capacity of communication systems through the effective suppression of excess noises,accompanied by the maintenance of source-side *** conduct a proof-of-principle experiment of the purification scheme in the CV-QSDC *** appearance of transmitted quantum states in phase space and two-dimensional Gaussian distributions have high goodness of fit at two *** security capability of this system is improved by 43.6%as the excess noise is reduced to 0.58 times the original noise by purification.

关键词： quantum purification coherent state quantum secure direct communication

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Bioinspired smart dual-layer hydrogels system with synchronous solar and thermal radiation modulation for energy-saving all-season temperature regulation

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Journal of Energy Chemistry 2025年第2期101卷 175-190页

作者： Meng-Chen Huang Chao-Hua Xue Zhongxue Bai Jun Cheng Yong-Gang Wu Chao-Qun Ma Li Wan Long Xie Hui-Di Wang Bing-Ying Liu Xiao-Jing Guo College of Bioresources Chemical and Materials Engineering Shaanxi University of Science & Technology School of Manufacture science and Engineering Key Laboratory of Testing Technology for Manufacturing Process Ministry of Education Southwest University of Science and Technology School of Life science and Engineering Southwest University of Science and Technology Northwest Institute for Nonferrous Metal Research Shaanxi Key Laboratory of Biomedical Metal Materials

All-season thermal management with zero energy consumption and emissions is more crucial to global decarbonization over traditional energy-intensive cooling/heating ***,the static single thermal management for cooling or heating fails to self-regulate the temperature in dynamic seasonal temperature ***,inspired by the dual-temperature regulation function of the fur color changes on the backs and abdomens of penguins,a smart thermal management composite hydrogel(PNA@H-PM Gel) system was subtly created though an "on-demand" dual-layer structure design *** PNA@H-PM Gel system features synchronous solar and thermal radiation modulation as well as tunable phase transition temperatures to meet the variable seasonal thermal requirements and energy-saving demands via self-adaptive radiative cooling and solar heating ***,this system demonstrates superb modulations of both the solar reflectance(ΔR=0.74) and thermal emissivity(ΔE=0.52) in response to ambient temperature changes,highlighting efficient temperature regulation with average radiative cooling and solar heating effects of 9.6℃ in summer and 6.1℃ in winter,***,compared to standard building baselines,the PNA@H-PM Gel presents a more substantial energy-saving cooling/heating potentials for energy-efficient buildings across various regions and *** novel solution,inspired by penguins in the real world,will offer a fresh approach for producing intelligent,energy-saving thermal management materials,and serve for temperature regulation under dynamic climate conditions and even throughout all seasons.

关键词： Energy-saving Radiative cooling Self-adaptive thermal management Spectral modulation Thermochromic hydrogel

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Glaucomatous retinal ganglion cells:death and protection

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International Journal of Ophthalmology(English edition) 2025年第1期18卷 160-167页

作者： Na Cui Jun Jia Yuan He Department of Ophthalmology the Second Affiliated Hospital of Xi’an Medical UniversityXi’an 710038Shaanxi ProvinceChina Xi’an Key Laboratory for the Prevention and Treatment of Eye and Brain Neurological Related Diseases Xi’an 710038Shaanxi ProvinceChina

Glaucoma is a group of diseases characterized by progressive optic nerve degeneration,with the characteristic pathological change being death of retinal ganglion cells(RGCs),which ultimately causes visual field loss and irreversible *** intraocular pressure(IOP)remains the most important risk factor for glaucoma,but the exact mechanism responsible for the death of RGCs is currently *** factor deficiency,impaired mitochondrial structure and function,disrupted axonal transport,disturbed Ca2+homeostasis,and activation of apoptotic and autophagic pathways play important roles in RGC death in *** review was conducted using Web of science,PubMed,project,and other databases to summarize the relevant mechanisms of death of RGCs in glaucoma,in addition to outlining protective treatments to improve the degradation of RGCs.

关键词： glaucoma retinal ganglion cells neuroprotection progressive death axonal deletion

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Quantitative analysis of influencing factors to aerosol pH and its responses to PM_(2.5)and O_(3)pollution in a coastal city

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Journal of Environmental sciences 2025年第5期151卷 284-297页

作者： Ke Xu Liqian Yin Qiaoling Chen Dan Liao Xiaoting Ji Keran Zhang Yu Wu Lingling Xu Mengren Li Xiaolong Fan Fuwang Zhang Zhi Huang Jinsheng Chen Youwei Hong Center for Excellence in Regional Atmospheric Environment Key Lab of Urban Environment and HealthInstitute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China School of Life sciences Hebei UniversityBaoding 071000China University of Chinese Academy of sciences Beijing 100049China College of Resources and Environment Fujian Agriculture and Forest UniversityFuzhou 350002China College of Chemical Engineering Huaqiao UniversityXiamen 361021China College of Environment and Public Health Xiamen Huaxia UniversityXiamen 361024China Fujian Key Laboratory of Atmospheric Ozone Pollution Prevention Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China Environmental Monitoring Center of Fujian Fuzhou 350003China Xiamen Institute of Environmental science Xiamen 361021China

Aerosol acidity(pH)plays an important role in the multiphase chemical processes of atmospheric *** this study,we demonstrated the seasonal trends of aerosol pH calculated with the ISORROPIA-II model in a coastal city of southeast *** performed quantitative analysis on the various influencing factors on aerosol pH,and explored the responses of aerosol pH to different PM_(2.5)and O_(3)pollution *** results showed that the average aerosol pH was 2.92±0.61,following the order of winter>spring>summer>*** tests revealed that SO_(4)^(2−),NH_(x),T and RH triggered the variations of aerosol *** analysis results showed that T(37.9%-51.2%)was the main factors affecting pH variations in four seasons,followed by SO_(4)^(2−)(6.1%-23.7%),NH_(x)(7.2%-22.2%)and RH(0–14.2%).Totally,annual mean meteorological factors(52.9%)and chemical compositions(41.3%)commonly contributed the aerosolpH in the coastal *** concentrations of PM_(2.5)was positively correlated with aerosol liquid water content(R^(2)=0.53)and aerosol pH(R^(2)=0.26),indicating that the increase in pH was related with the elevated NH_(4)NO_(3)and decreased SO_(4)^(2−),and also the changes of T and *** O_(x)(O_(3)+NO_(2))was moderately correlated with aerosol pH(R^(2)=-0.48),attributable to the fact that the proportion of SO_(4)^(2−)increased under high T and low RH *** study strengthened our understanding of the contributions of influencing factors to aerosol pH,and also provided scientific evidences for chemical processes of atmospheric particles in coastal areas.

关键词： Aerosol acidity Aerosol liquid water Fine particular matter(PM_(2.5)) Ozone(O_(3)) Coastal city

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Transforming waste particles into valuable adsorbents via amyloid-mediated molecular engineering

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science China Chemistry 2025年第1期68卷 317-328页

作者： Qingmin Yang Jian Zhao Yujia Zhang Xingyu Zhou Hao Ren Bowen Hu Zhongli Lei Lixin Chen Peng Yang Key Laboratory of Applied Surface and Colloid Chemistry Ministry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal UniversityXi’an 710119China School of Material and Chemical Engineering Bengbu UniversityBengbu 233030China Anhui Provincial Engineering Laboratory of Silicon-Based Materials Bengbu 233030China Xi’an Key Laboratory of Polymeric Soft Matter School of Chemistry and Chemical EngineeringShaanxi Normal UniversityXi’an 710119China International Joint Research Center on Functional Fiber and Soft Smart Textile School of Chemistry and Chemical EngineeringShaanxi Normal UniversityXi’an 710119China School of Chemistry and Chemical Engineering Northwestern Polytechnical UniversityXi’an 710129China

The high-value utilization of industrial solid waste using a facile and eco-friendly process is of great interest and significance in reducing environmental pollution and developing a green circular ***,we propose an amyloid-mediated molecular engineering strategy to transform particulate waste into valuable adsorbents for metal *** method has the advantage of aqueous solution fabrication under mild conditions without the use of high-temperature hydrothermal methods and toxic chemical ***-mediated molecular engineering manipulates the phase transition of bovine serum albumin(BSA)on particulate waste surfaces,resulting in a remarkable~3.1 times improvement in the adsorption capacity of fly ash,a typical industrial solid waste for gold ions after modification with the phase-transitioned BSA(PTB).The resultant adsorption ability was 69–1,980 times higher than those of conventional and emerging adsorbent materials such as ion exchange resins,activated carbon(AC),covalent organic frameworks(COFs),and metal-organic frameworks(MOFs).We further demonstrated the application of our PTB-modified materials in the recovery of precious metals from low-grade gold ore and electronic waste ***,this strategy could increase the value of waste materials nearly 27 *** addition,this method is generally extendable to other conventional industrial adsorbents such as resin,clay,and Al_(2)O_(3),and enhances their adsorption capabilities at least ***,this work provides a simple and green approach for improving the adsorption performance of solid particles,and is expected to develop into a universal strategy for transforming waste particles into high-value-added products.

关键词： amyloid-like protein aggregates surface engineering fly ash solid waste adsorption

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Genes and proteins expressed at different life cycle stages in the model protist Euplotes vannus revealed by both transcriptomic and proteomic approaches

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science China(Life sciences) 2025年第1期68卷 232-248页

作者： Yaohan Jiang Xiao Chen Chundi Wang Liping Lyu Saleh A.Al-Farraj Naomi A.Stover Feng Gao Key Laboratory of Evolution&Marine Biodiversity(Ministry of Education)and Institute of Evolution&Marine Biodiversity Ocean University of ChinaQingdao 266003China Marine College Shandong UniversityWeihai 264209China Zoology Department College of ScienceKing Saud UniversityRiyadh 11451Saudi Arabia Department of Biology Bradley UniversityPeoria 61625USA Laboratory for Marine Biology and Biotechnology Qingdao Marine Science and Technology CenterQingdao 266237China

Sexual reproduction first appeared in unicellular protists and has continued to be an essential biological process in almost all *** protists, which contain both germline and somatic genomes within a single cell, have evolved a special form of sexual reproduction called conjugation that involves mitosis, meiosis, fertilization, nuclear differentiation, genome rearrangement, and the development of unique cellular structures. The molecular basis and mechanisms of conjugation vary dramatically among ciliates, and many details of the process and its regulation are still largely unknown. In order to better comprehend these processes and mechanisms from an evolutionary perspective, this study provides the first comprehensive overview of the transcriptome and proteome profiles during the entire life cycle of the newly-established marine model ciliate Euplotes vannus. Transcriptome analyses from 14 life cycle stages(three vegetative stages and 11 sexual stages) revealed over 26,000 genes that are specifically expressed at different stages, many of which are related to DNA replication,transcription, translation, mitosis, meiosis, nuclear differentiation, and/or genome rearrangement. Quantitative proteomic analyses identified 338 proteins with homologs associated with conjugation and/or somatic nuclear development in other ciliates, including dicer-like proteins, Hsp90 proteins, RNA polymerase Ⅱ and transcription elongation factors, ribosomal-associated proteins, and ubiquitin-related proteins. Four of these homologs belong to the PIWI family, each with different expression patterns identified and confirmed by RT-qPCR,which may function in small RNA-mediated genome rearrangement. Proteins involved in the nonhomologous end-joining pathway are induced early during meiosis and accumulate in the developing new somatic nucleus, where more than 80% of the germline sequences are eliminated from the somatic genome. A number of new candidate genes and proteins likely t

关键词： sexual reproduction transcriptomic proteomic genome rearrangement PIWI NHEJ

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Investigation of edge states variation in valley photonic crystals by modulating the refractive index of domain walls

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Optoelectronics Letters 2025年第3期21卷 160-166页

作者： ZHANG Run ZHONG Xingli LIN Zhongxi QIU Weibin SU Hui Key Laboratory of Optoelectronic Materials Chemistry and Physics Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices Fujian Institute of Research on the Structure of Matter Chinese Academy of Science University of Chinese Academy of sciences Chinese Academy of Sciences College of Information science and Engineering Huaqiao University Fujian science & technology innovation Laboratory for Optoelectronic Information of China

Realizing the valley Hall effect by breaking the spatial inversion symmetry of photonic systems has become a cutting-edge field of micro-nano-optics, since the valley degree of freedom was introduced into photonic system. Various novel devices based on the domain walls of the valley photonic crystals have also been demonstrated. In this article,we investigate the variation of edge states by the modulation of refractive index within the domain walls, and the geometric difference between the dielectric columns of the sublattices. Straight photonic crystal waveguides with three types of domain walls (bearded, zigzag, armchair) are constructed. Simulation results show that the creation of a double-edge state in the band diagram results in two windows of stable transmission in tunable bands. Our findings might have significant implications in the field of novel optical devices.

关键词： A

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Predicting Lactobacillus delbrueckii ***-Streptococcus thermophilus interactions based on a highly accurate semi-supervised learning method

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science China(Life sciences) 2025年第2期68卷 558-574页

作者： Shujuan Yang Mei Bai Weichi Liu Weicheng Li Zhi Zhong Lai-Yu Kwok Gaifang Dong Zhihong Sun Key Laboratory of Dairy Biotechnology and Engineering Ministry of EducationInner Mongolia Agricultural UniversityHohhot 010018China Key Laboratory of Dairy Products Processing Ministry of Agriculture and Rural AffairsInner Mongolia Agricultural UniversityHohhot 010018China Inner Mongolia Key Laboratory of Dairy Biotechnology and Engineering Inner Mongolia Agricultural UniversityHohhot 010018China Collaborative Innovative Center for Lactic Acid Bacteria and Fermented Dairy Products Ministry of EducationInner Mongolia Agricultural UniversityHohhot 010018China College of Computer and Information Engineering Inner Mongolia Agricultural UniversityHohhot 010018China Inner Mongolia Autonomous Region Key Laboratory of Big Data Research and Application of Agriculture and Animal Husbandry Hohhot 010018China

Lactobacillus delbrueckii ***(***)and Streptococcus thermophilus(***)are commonly used starters in milk *** experiments revealed that *** interactions(Lb St I)substantially impact dairy product quality and *** biological humidity experiments are time-consuming and labor-intensive in screening interaction combinations,an artificial intelligence-based method for screening interactive starter combinations is ***,in the current research on artificial intelligence based interaction prediction in the field of bioinformatics,most successful models adopt supervised learning methods,and there is a lack of research on interaction prediction with only a small number of labeled ***,this study aimed to develop a semi-supervised learning framework for predicting Lb St I using genomic data from 362 isolates(181per species).The framework consisted of a two-part model:a co-clustering prediction model(based on the Kyoto Encyclopedia of Genes and Genomes(KEGG)dataset)and a Laplacian regularized least squares prediction model(based on K-mer analysis and gene composition of all isolates datasets).To enhance accuracy,we integrated the separate outcomes produced by each component of the two-part model to generate the ultimate Lb St I prediction results,which were verified through milk fermentation *** through milk fermentation experiments confirmed a high precision rate of 85%(17/20;validated with 20 randomly selected combinations of expected interacting isolates).Our data suggest that the biosynthetic pathways of cysteine,riboflavin,teichoic acid,and exopolysaccharides,as well as the ATP-binding cassette transport systems,contribute to the mutualistic relationship between these starter bacteria during milk ***,this finding requires further experimental *** presented model and data are valuable resources for academics an

关键词： Lactobacillus delbrueckii subsp.bulgaricus and Streptococcus thermophilus interaction prediction semi-supervised learning dairy starter artificial intelligence milk fermentation

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